Switching

I am tring to understand this statement,"local vlan leverages on stp, distributed vlan leverages on switching."How so? I think the opposite would be more right. thanks,han

Salam Aleykum.I have 2 Cisco 3750G switches whithin stack.Some VLANs erases automatically after fiew days.VTP mode is transparent.Should reason be excessive logging ?What reason should be?I wait for your answers.Best regards,  Samir Aliyev from Azerb...

I simply need to see a list of all IPs using a Cisco 2800 series router.  I know I can run a show lldp command on my switches to get a list of attached devices, and I know this is a layer2 command.  Is there any  way to get a list of IPs that are usi...

Hi guys!I have to change a linux routing to a router to do only a small NAT. In once side i have a PLC (ip 192.168.1.65/24) that need to see 8 PLC in network another network (192.168.0.0/24) as "localnet" ips (it don't route). In the 192.168.0.0/24 s...

Hey all.  We had a complete outage the other day, a heavy equipment pience of machinary crushed our ISPs entire fiber, took out pretty much everything in the area, including a cell phone tower.I've been asked to setup a redundant backup link just in ...

I have been going through the document on ACL's on Cisco 6500 Catalyst Switches and have a few questions on the TCAM ACL processing. I've been referring the below mentioned document.https://supportforums.cisco.com/post!input.jspa?container=2003&conta...

Hi,On my Cisco router running NAT service I have some devices on a couple of vlans which are on the inside network.  They can communicate with each other fine and can access the Internet.I also have some client devices on a vlan designated as the out...

hi all,i tried doing "system mtu routing 9000" and it doesn't accepted by my layer 3/2 3750/2960 switches, only 1500.  So it's not possible to have jumbo frame in between subnet?  I tried doing ping -s 9000 xxxxx in between subnet, it doesn't work.  ...

I am trying to apply QoS on Etherchannel Subinterface on IOS-XE but serivce-policy on outbound direction was rejected.Do I miss something? any doc to follow to apply QoS on Etherchannel Subinterface on IOS-XE?Thanks,

Hi,I have a scenario where I may need to change the EIGRP AS number within my company. The network is pretty simple and eigrp is primarily used to support our branch network. What we are looking to do is share some branch infrastructure with a subsid...

                   Hello,C6513 come high when add or modify the role to ACL. is it bug. the attached is show proc cpu and logthe ios image is advancedipservices and Version 12.2(33)SXI3,Thanks

A brief description of our setup:  We use an MPLS circuit for our site's primary connection using a Cisco 1921 router.  A Cisco 3550 switch connects to that.  For the backup circuit we use a DSL modem which connects to a Cisco 831 router which connec...

I have 4 x Cisco 3750X-48-T-L switches (2 Stacks).These stacks are used in a iSCSI SAN:- IOS is 12.2(55)SE5 (ipbasek9)- only one VLAN- standalone iSCSI SAN- 5 x DELL Equallogic storage boxes per stack- Hyper-V hosts- VMware ESX hostsFrom time to time...